The New Zealand police have stood by their actions at the  National party of New Zealand summer party hosted at the Royal Akarana yacht club. Reports through social networking suggest police used brutality and strangleholds on protesters.

Police officer placing a protestor in a stanglehold pulling the protestor to the ground.

The leading Police Sergeant grabbed one young mans head and twists his neck.

The Sergeant grasps the young protesters face where a push off would have sufficed.

The protesters put up a desperate struggle but many within the Police security detail looked shocked as their respected Sergeant attacked protesters.